What is allowed to touch the ground in a pushup? Some people say

I do sets of push-ups with a bag that weighs 30 kg, 5 times a week. Is there any way this could cause any serious issues related to the back, internal organs

Does doing push-ups with backpacks harm your back? If yes, how much weight is it safe to do pushups? I have a plan with 7kg (15lbs). Is it okay? - Quora

How can a slightly obese guy start doing push-ups perfectly? - Quora

Push ups with a 10 kg weight plate on my back are getting too easy. What kind of bodyweight chest excercise should I do now? - Quora

What is a weightlifting equivalent of push-up? - Quora

Is a partial push up still good excerise? - Quora

How to do a perfect push up? Where should my hands be, do elbows go out or stay at sides, and when do I inhale and exhale - Quora

Can you explain what clap pushups are? - Quora

Is doing a push-up where your chest is close to the ground, but doesn't touch it, still counted as a push-up? - Quora

Does doing push-ups with backpacks harm your back? If yes, how much weight is it safe to do pushups? I have a plan with 7kg (15lbs). Is it okay? - Quora

Does doing push-ups with backpacks harm your back? If yes, how much weight is it safe to do pushups? I have a plan with 7kg (15lbs). Is it okay? - Quora

Are one arm push-ups safe? - Quora

Are weighted press-ups (push-ups) and bench press equivalent? I.e., if someone weighs 60kg and adds 20kg of weight, assuming the press-up uses ⅔s of the bodyweight would that be equivalent to a